UV Index in Semestene, Italy

Last updated: May 3, 2025

In Semestene, Italy, keeping an eye on the UV Index is essential for maintaining healthy skin and preventing sunburn, especially during the sunniest months. As the UV levels can soar, reaching a peak of 10 around midday, understanding these fluctuations is crucial for outdoor enthusiasts and residents alike. With a Mediterranean climate characterized by warm summers, Semestene presents notable risks for overexposure to ultraviolet radiation. By staying informed about the UV Index, you can protect yourself and enjoy the vibrant outdoor lifestyle that this charming locale has to offer.

Hourly UV Index in Semestene

The UV Index throughout the day presents a clear narrative of rising intensity, peaking in the afternoon. Starting at 1 by 07:00, the UV levels gradually ascend, reaching 5 by 10:00. By 11:00, the index climbs to 7, and it soars to a striking 10 at 13:00—the optimal time for sun precautions. The intensity slightly wanes thereafter, dropping to 9 at 14:00 and continuing down to 4 by 17:00. As evening approaches, the UV Index dwindles to 1 by 19:00, signaling a return to safer levels. This data underscores the importance of sun safety measures during peak hours, particularly between 11:00 and 14:00.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	9	very high	15 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Semestene

Throughout the year, UV index levels fluctuate significantly, with notable increases during the warmer months. January and February experience a moderate UV index of 3 and 4, allowing for a 30-minute burn time under the sun. As the seasons transition into March and onward, the risk escalates, peaking in June and July with a maximum UV index of 10—classifying these months as high-risk. During these summer months, individuals are advised to limit sun exposure to just 15 minutes to prevent skin damage. The trend continues with August and September maintaining high levels (UV index of 9 and 8 respectively) before tapering off in October (UV index 6) and returning to moderate levels in November and December (UV index of 4 and 2). Residents and visitors should prioritize sun protection, especially during the peak months of April through September.

Monthly Maximum UV Index for Semestene, Italy

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Semestene. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Semestene, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Semestene UV Index with Other Italy Cities

The table above highlights how UV exposure in Semestene compares to other major locations across Italy. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Semestene's solar exposure compared to other cities in Italy. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Milan UVI	2	3	5	6	8	9	9	8	6	5	3	2
Turin UVI	2	3	6	7	8	10	9	9	7	5	3	2
Rome UVI	3	4	5	7	8	10	10	9	7	5	4	2
Naples UVI	3	4	6	7	9	10	10	9	8	6	4	2
Semestene	3	4	6	8	9	10	10	9	8	6	4	2
Palermo UVI	3	5	6	8	9	10	10	9	8	7	4	3